package com.hm.cms.auto;

import java.lang.reflect.Method;

import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.session.ExpiringSession;
import org.springframework.session.data.redis.RedisOperationsSessionRepository;
import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;

import com.fasterxml.jackson.databind.ObjectMapper;

/**
 * @author shishun.wang
 * @date 下午5:20:22 2016年6月6日
 * @version 1.0
 * @describe
 */
@Configuration
@EnableCaching
@EnableRedisHttpSession
public class RedisConfig extends CachingConfigurerSupport {

	@Bean
	public KeyGenerator wiselyKeyGenerator() {
		return new KeyGenerator() {
			@Override
			public Object generate(Object target, Method method, Object... params) {
				StringBuilder sb = new StringBuilder();
				sb.append(target.getClass().getName());
				sb.append(method.getName());
				for (Object obj : params) {
					sb.append(obj.toString());
				}
				return sb.toString();
			}
		};

	}

	@Bean
	public CacheManager cacheManager(RedisTemplate<?, ?> redisTemplate) {
		return new RedisCacheManager(redisTemplate);
	}

	@Bean
	public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory factory) {
		StringRedisTemplate template = new StringRedisTemplate(factory);
		Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<Object>(Object.class);
		ObjectMapper om = new ObjectMapper();
//		om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
		om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
		jackson2JsonRedisSerializer.setObjectMapper(om);
		template.setValueSerializer(jackson2JsonRedisSerializer);
		template.afterPropertiesSet();
		return template;
	}

    @Primary
    @Bean
    public RedisOperationsSessionRepository sessionRepository(RedisTemplate<String, ExpiringSession> sessionRedisTemplate) {
        RedisOperationsSessionRepository sessionRepository = new RedisOperationsSessionRepository(sessionRedisTemplate);
        sessionRepository.setDefaultMaxInactiveInterval(3600);
        return sessionRepository;
    }
}
